Chaining to Mystical Space Typhoon?

Question

if your opponent uses mystical space typhoon to target a facedown trap on your side, can you activate that trap in response to mystical space typhoon. example

player a uses mst to target player b's face down trap

player b facedown waboku is targeted, he activates it in response.

if this happens, will waboku's effect still go through and will mst destroy waboku or can it choose again

Answer 1

yeah it is destroyed so you wouldn't be able to activate the trap sorry

Answer 2

Your opponent cannot do that because you destroyed it before your opponent activated it. However, your opponent can activate another facedown spell or trap that is not spellspeed 1. for example, dust tornado, compulsory evacuation device, ect.

Answer 3

if this happens mst becomes a useless spell and has been whasted so well done to the opponent and wokuku still works because its not been negated, well done opponent again